weeks



(No Model.) 2 Sheets-Sheet 1. H. WEEKS.

NAILING MACHINE.

M 4 3 nm E N f ww N. FEIERS. hnlwLilhcgmpher. Washinglum ac,

(No Model.) 2 Sheets-Sheet 2. H. WEEKS.-

NAILING MACHINE.

N0. 341,195. Patgnted May 4, 1886.

l l l H] UNTTED STATES HORACE \VEEKS, OF

BOSTON, MASSACHUSETTS, ASSIGNOR TO THE CORRU- GATED VIBE FASTENING COMPANY.

MAILING-MACHINE.

SPECIFICATION forming part of Letters Patent No. 3&1,193, dated May 4, 1886.

Application filed February 3, 1886. Serial No. 190,690. (No model.)

To aZZ whom it may concern.-

Be it known that I, :HoRAoE XVEEKs, of Boston, in the county of Suffolk and State of Massachusetts, have invented a new and useful Improvement in Nailing-Machines, of which the following is a specification, reference being had to the accompanying drawings, in which- Figure 1 is a front view of part of the head 10 of a machine embodying my invention. Fig.

2 is a side view of that head. Fig. 3 is a section on line a: of Fig. 1. Fig. 4. shows different views of the knife I) detached. Figs. 5. 6, and 7 show different views of the box A de- I tached. Figs. 8 and 9 show different views of slide B detached. Fig. 10 shows different views of bushing a detached.

My invention consists in a device for shear ing off a portion of the wire near'its end before the wire is fed to the cutter and carrier, which is the device by which a section of wire is severed and carried under the driver, and my improved machine is built under Pat ents No. 224,339 and No. 241,550 to A Knowl- 2 5 ton, and No. 291,443 to myself, and, so far as concerns the driver, wirefeed, and cutter and carrier, is substantially the same as in these patents.

The parts not lettered in the drawings will 0 be understood by all skilled in this art, and are substantially the same as parts shown in the patents above named.

In the drawings, the box A, open on one side and its ends, is secured to the main frame of the machine, and has the inner face of its side a beveled, as shown.

The slide B, carrying knife 1), whose side I) is beveled to correspond to the beveled face of side a, is reciprocated endwise through box A 0 by lever cl, operated by cam D. Knife bis made adjustable on slide B by means of screws 1)", so that it may be set forward as required when shortened by sharpening. The cam D receives pin (1, projecting forward so 5 that the reciprocating of slide B is properly timed to the operation of the other wellknown parts of the machine, as will be clear from the following description of the operation of a nailingmachine embodying my im- 5o provement.

Starting with driver F up, the cutter and carrier G will be thrown forward, wireway g of the cutter and carrier coming in line with the driver F and nail-tube H, so that the driver will pass through the wireway of the cutter and carrier and the nail tube or throat H of the machine when it descends. As the driver is thrown down by the force of its spring, my cam D acts upon its lever d to move slide B forward, so that knife Z) will come in contact with and pass by the wire in the wireway in the bushing a. Slide B is then drawn back by lever (Z andcam D, the full stroke of the slide B occupying less than half a revolution of the cam D, and during the stroke of the slide the driver is lifted by its cam against the force of the driver-spring,and the cutter and carrier is drawn back so that its wireway y. comes-in line with the wire. The feed then takes place-that is, the wire is thrust into the wireway g of the cutter and carrier, which is then thrown forward, severing the section of wire and carrying the shaped section of wire in it into line with the driver and nail-tube H.

As the main advantage of a machine embodying myinvention is that the wire section to be shaped by shearing off a portion of it is operated upon before it is fed into the nailchannel g of the cutter and carrier, I have deemed it necessary to show in the drawings the other mechanisms of a nail-driving machine, thereby making it clear that the slide B and its knife I) may be actuated to shear off a portion of the wire sectioned to form the next fastening at any time after the cutter and carrier G- is thrown forward, and before the cutter andcarrier G is brought back to bring its 'nailway 9 into line with nail-channel a. This cutter and carrier Gis thrown in one direction by the rock-shaft g and length-gaging cam g, and in the other direction by spring g and its rock shaft 9 also controls the spring J of the variable feed, substantially as described in my Patent No. 291,443, and A. Knowltons Patent No. 224,339 in a manner too well understood to require description,the invention embodied in these devices being fully described in the Letters Patent above mentioned.

hat I claim is- 1. The box A, slide B, and knife b, in combination with cutter and carrier G and the ing-screws If, in combination with bushing a wire-feed, substantially as describedm'hereby and cutter and carrier G, substantially as dethe knife I) shears off a portion of the wire scribed.

near its end before it is fed intOth'enaiIWaYQ HORACE WVEEKS. 5 of the cutter and carrier G, by which it is Witncsses:

severed and carried under the driver. LA'L' RITZ N. MiiLLER,

2. The box A, slide B, knife I), and adjust- JOHN R. SNOW. 

